1. They didn't let him go because they didn't invited him

$\longrightarrow$ He wasn't invited so they didn't let him go

2. They didn't make the beds after getting up this morning

$\longrightarrow$ The beds weren't made after getting up this morning.

3. She didn't win the prize but her friend did

$\longrightarrow$ The prize wan't won by her by her friend did

4. I did not tell them the truth

$\longrightarrow$ They werenot' told the truth

5. Did you give them the books that I bought?

$\longrightarrow$ Were the books that I bought, given them?

10. Did he send the letter for me?

$\longrightarrow$ Was the letter sent for me?

1. He wasn't let to go because they didn't invited him

2. The beds weren't made after getting up this morning 

3. The prize wasn't won but her friend did 

4. They weren't told the truth 

5.Were books gave them that i bought ?

10.Was the letter sent for me ?